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<head><meta charset="utf-8"><title>Don&#x27;t stop writing copy-propagation passes · t-compiler/performance · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/247081-t-compiler/performance/index.html">t-compiler/performance</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/247081-t-compiler/performance/topic/Don&#x27;t.20stop.20writing.20copy-propagation.20passes.html">Don&#x27;t stop writing copy-propagation passes</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/247081-t-compiler/performance/topic/Don%27t%20stop%20writing%20copy-propagation%20passes/near/213513634" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/247081-t-compiler/performance/topic/Don&#x27;t.20stop.20writing.20copy-propagation.20passes.html#213513634">(Oct 16 2020 at 03:06)</a>:</h4>
<p><span class="user-mention" data-user-id="211727">@Jonas Schievink</span> <a href="https://github.com/rust-lang/rust/pull/76723">https://github.com/rust-lang/rust/pull/76723</a> is calling your name ;) would love to have more MIR-opts making rustc faster :)</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/247081-t-compiler/performance/topic/Don%27t%20stop%20writing%20copy-propagation%20passes/near/213566085" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jonas Schievink  [he/him] <a href="https://rust-lang.github.io/zulip_archive/stream/247081-t-compiler/performance/topic/Don&#x27;t.20stop.20writing.20copy-propagation.20passes.html#213566085">(Oct 16 2020 at 14:20)</a>:</h4>
<p>heh :P I'll try to get to that over the weekend.</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/247081-t-compiler/performance/topic/Don%27t%20stop%20writing%20copy-propagation%20passes/near/213566104" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jonas Schievink  [he/him] <a href="https://rust-lang.github.io/zulip_archive/stream/247081-t-compiler/performance/topic/Don&#x27;t.20stop.20writing.20copy-propagation.20passes.html#213566104">(Oct 16 2020 at 14:20)</a>:</h4>
<p>oh it also has no reviewer</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/247081-t-compiler/performance/topic/Don%27t%20stop%20writing%20copy-propagation%20passes/near/213609444" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Noah Lev <a href="https://rust-lang.github.io/zulip_archive/stream/247081-t-compiler/performance/topic/Don&#x27;t.20stop.20writing.20copy-propagation.20passes.html#213609444">(Oct 16 2020 at 20:20)</a>:</h4>
<p><span class="user-mention" data-user-id="211727">@Jonas Schievink</span> <span class="user-mention silent" data-user-id="120823">DPC</span> assigned <span class="user-mention silent" data-user-id="124288">oli</span></p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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